The data in the report is derived from dynamic market forecast models. GlobalData uses epidemiology based models to estimate and forecast the procedure volumes. The objective is to provide information that represents the most up-to-date data of the industry possible.

The epidemiology-based forecasting model makes use of epidemiology data gathered from research publications and primary interviews with physicians to establish the target patient population and treatment flow patterns for individual diseases and therapies. Using prevalence and incidence data and diagnosed and treated population, the epidemiology-based forecasting model arrives at the final numbers.